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安徽黄山华中五味子次生木质部的生态解剖
史刚荣;王旭明;张铮;   
1.淮北煤炭师范学院生物系;2.淮北煤炭师范学院生物系 安徽淮北233500;3.安徽淮北233500
摘要:
对安徽黄山海拔420~1840m的华中五味子茎的次生木质部进行了生态解剖学研究。结果表明,茎的次生木质部为散孔材,导管分子长741.7~1025.2μm,直径为152.4~191.9μm;导管频率60.6~70.2mm-2。纤维管胞长925.2~1046.3μm;木射线类型为异形ⅡA和ⅡB,单列射线高682.1~778.4μm,多列射线高度为1093~1208μm,多列射线宽63.6~92.6μm,射线频率9.2~12.8mm-1。次生木质部解剖特征随异质生境而表现出一定的可塑性,其中,多列射线宽、射线频率、导管分子长度、导管直径等性状的可塑性较大。多重回归分析表明,水分和温度是影响华中五味子...
关键词:  华中五味子    次生木质部    生态因子    生态解剖学
DOI:
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Fund project:安徽省教育厅自然科学基金(2003kj189)~~
  
Abstract:
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